CASTING MOLD AND CORE FOR CASTING METAL MOLDING METHOD Russian patent published in 2008 - IPC B22C1/00 B22C9/00 

Abstract RU 2318630 C1

FIELD: foundry.

SUBSTANCE: method comprises steps of foaming by agitation mixture containing pelletized materials, one or several types of aqueous binder in quantity consisting of 0.1 - 0.5 mass% of mass of pelletized materials; filling shaping cavity with foamed mixture; evaporating water for solidifying mixture and extracting ready mold. Mixture may contain in addition cross-linking agent causing cross-linking reaction with aqueous binder matters in quantity consisting of 5 - 300 mass % of aqueous binder mass. Reaction between cross-linking agent and aqueous binder matters is performed before or after mold extraction from shaping cavity.

EFFECT: lowered quantity of harmful gases separation at pouring melt metal into casting.

57 cl, 3 dwg, 6 tbl, 9 ex

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RU 2 318 630 C1

Authors

Zenpo Tosikhiko

Kato Jusuke

Asano Norikhiro

Nagasaka Masakhiko

Nisikava Kazujuki

Dates

2008-03-10Published

2004-08-31Filed